<!DOCTYPE html>
<html lang="en">
  <head>
      <meta charset="UTF-8">
      <meta name="viewport" content="width=device-width, initial-scale=1.0">
      <meta http-equiv="X-UA-Compatible" content="ie=edge">
      <title>牛牛拼图</title>
      <link rel="stylesheet" href="css/play.css">
  </head>
  <body>
      <div class="wrap">
          <div class="btnBbox">
              <button class="btn" type="button">开始</button>
              <div class="selectbox">
                  <button class="text">简单</button>
                  <ul class="box">
                      <li>简单</li>
                      <li>入门</li>
                      <li>中等难度</li>
                      <li>高难</li>
                      <li>外星人</li>
                  </ul>
              </div>
          </div>
          <div class="picBox">
              <ul class="list"></ul>
          </div>
      </div>
      <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
      <script src="js/index.js"></script>
  </body>
</html>
